fix: sanitize NaN/inf floats to prevent JSON serialization crashes

fix: fix remaining indicator_id/indicator_ids references after rename

refactor: rename "indicators" to "EO products" throughout

fix: load job data when viewing previous analyses from history

fix: show waiting status for indicators not yet started in progress view

security: fix hardcoded secret, gate demo mode, add CORS and rate limiting

feat: protect job API routes with auth, verify job ownership

feat: add get_current_user auth dependency and GET /api/jobs list endpoint

Initial commit: Aperture platform (extracted from SR4S)